Having Trouble Breathing?

Air-filter units can help reduce allergens in your house, according to the Environmental Protection Agency and the American Academy of Allergy, Asthma, and Immunology. But they can't work alone.

In addition to choosing the right air-filter unit, continue your efforts to control the sources of triggers, such as encasing mattresses and pillows in dust-proof covers and keeping surfaces such as countertops and floors clean.

Answer: True. COPD is a progressive disease, which means it gets worse over time. Smoking is the most common cause of COPD. Chronic bronchitis and emphysema are the two main conditions of COPD in the United States. In fact, most people who have COPD have both conditions.